How to use FTP to connect to your Android phone from Windows or macOS, and transfer files between the two devices.

A JAR file is an archive file but is more than a file compression format. Here's how to open, run, or execute JAR files.

The often overlooked Xcode FileMerge app lets you spot what's changed between two files. Here's how to spot the differences using the tool.

Secure Copy is a UNIX standard used to transfer files from one computer to another. He's how to use the function in macOS, all via the Terminal window.

Want to know how to set up a Minecraft server with your friends? Here's all you need to know with step-by-step instructions.

Get a deep dive into using method references in your Java programs, including stream operations, event listeners, and constructors and factories.

The example code below shows how to use Java’s DirectoryStream in a method to list the files of a directory: public Set<String> listFilesUsingDirectoryStream(String dir) throws IOException { ...